"In cooperation with the American Dental Association"--P. [12]
Physical description for original version: 1 folded sheet (10 p.) : 23 cm
原資料等に関する注記
原資料の出版事項: Rockville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, Bureau of Radiological Health, [1982?]